BR112016001245A2 - - Google Patents

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Publication number
BR112016001245A2
BR112016001245A2 BR112016001245A BR112016001245A BR112016001245A2 BR 112016001245 A2 BR112016001245 A2 BR 112016001245A2 BR 112016001245 A BR112016001245 A BR 112016001245A BR 112016001245 A BR112016001245 A BR 112016001245A BR 112016001245 A2 BR112016001245 A2 BR 112016001245A2
Authority
BR
Brazil
Application number
BR112016001245A
Other languages
Portuguese (pt)
Other versions
BR112016001245B1 (pt
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BR112016001245A2 publication Critical patent/BR112016001245A2/pt
Publication of BR112016001245B1 publication Critical patent/BR112016001245B1/pt

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032Quantisation or dequantisation of spectral components
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/20Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/22Mode decision, i.e. based on audio signal content versus external parameters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/26Pre-filtering or post-filtering
    • G10L19/265Pre-filtering, e.g. high frequency emphasis prior to encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
BR112016001245-3A 2013-07-22 2014-07-17 Descorrelacionador multicanal, decodificador de áudio multicanal, codificador de áudio multicanal e métodos BR112016001245B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP13177374 2013-07-22
EP13177374.9 2013-07-22
EP20130189339 EP2830333A1 (en) 2013-07-22 2013-10-18 Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals
EP13189339.8 2013-10-18
PCT/EP2014/065395 WO2015011014A1 (en) 2013-07-22 2014-07-17 Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals

Publications (2)

Publication Number Publication Date
BR112016001245A2 true BR112016001245A2 (ko) 2017-07-25
BR112016001245B1 BR112016001245B1 (pt) 2022-06-21

Family

ID=48832794

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016001245-3A BR112016001245B1 (pt) 2013-07-22 2014-07-17 Descorrelacionador multicanal, decodificador de áudio multicanal, codificador de áudio multicanal e métodos

Country Status (19)

Country Link
US (6) US11115770B2 (ko)
EP (5) EP2830334A1 (ko)
JP (3) JP6434013B2 (ko)
KR (1) KR101893410B1 (ko)
CN (1) CN105580390B (ko)
AR (2) AR097015A1 (ko)
AU (2) AU2014295206B2 (ko)
BR (1) BR112016001245B1 (ko)
CA (1) CA2919077C (ko)
ES (3) ES2924174T3 (ko)
MX (3) MX362548B (ko)
MY (1) MY178904A (ko)
PL (1) PL3025515T3 (ko)
PT (1) PT3025515T (ko)
RU (1) RU2666640C2 (ko)
SG (1) SG11201600491SA (ko)
TW (1) TWI587285B (ko)
WO (1) WO2015011014A1 (ko)
ZA (1) ZA201601047B (ko)

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Also Published As

Publication number Publication date
JP6434013B2 (ja) 2018-12-05
EP3419315B1 (en) 2022-05-04
ES2924174T3 (es) 2022-10-05
AU2014295206A1 (en) 2016-03-10
CN105580390B (zh) 2018-06-12
WO2015011014A1 (en) 2015-01-29
CA2919077C (en) 2019-07-09
US20160157039A1 (en) 2016-06-02
EP3025515B1 (en) 2019-02-13
AR097015A1 (es) 2016-02-10
MX362548B (es) 2019-01-24
EP3025515A1 (en) 2016-06-01
MX2018012891A (es) 2020-11-06
US20190124459A1 (en) 2019-04-25
JP2016531482A (ja) 2016-10-06
RU2666640C2 (ru) 2018-09-11
CN105580390A (zh) 2016-05-11
US10448185B2 (en) 2019-10-15
JP2020120389A (ja) 2020-08-06
KR20160042913A (ko) 2016-04-20
RU2016105468A (ru) 2017-08-29
AU2017248532B2 (en) 2019-09-19
US20160316307A1 (en) 2016-10-27
MX2016000915A (es) 2016-05-31
JP7000488B2 (ja) 2022-01-19
US11240619B2 (en) 2022-02-01
CA2919077A1 (en) 2015-01-29
JP2018198434A (ja) 2018-12-13
MX2018012892A (es) 2020-09-17
EP2830333A1 (en) 2015-01-28
ES2725427T3 (es) 2019-09-24
EP2830334A1 (en) 2015-01-28
MY178904A (en) 2020-10-22
PL3025515T3 (pl) 2019-08-30
PT3025515T (pt) 2019-05-30
BR112016001245B1 (pt) 2022-06-21
ZA201601047B (en) 2017-11-29
TW201532034A (zh) 2015-08-16
AR097014A1 (es) 2016-02-10
EP3419314B1 (en) 2022-04-27
EP3419314A1 (en) 2018-12-26
JP6687683B2 (ja) 2020-04-28
US20160353222A1 (en) 2016-12-01
KR101893410B1 (ko) 2018-10-04
ES2925038T3 (es) 2022-10-13
US11115770B2 (en) 2021-09-07
US11381925B2 (en) 2022-07-05
AU2017248532A1 (en) 2017-11-09
AU2014295206B2 (en) 2017-11-02
TWI587285B (zh) 2017-06-11
US20220167102A1 (en) 2022-05-26
US11252523B2 (en) 2022-02-15
EP3419315A1 (en) 2018-12-26
US20160240199A1 (en) 2016-08-18
SG11201600491SA (en) 2016-02-26

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